Rank	Countries/Territories	Count	Percent
1	China	498	46.5%
2	United States	253	23.6%
3	Germany	84	7.8%
4	Switzerland	40	3.7%
5	Japan	37	3.5%
6	France	35	3.3%
7	India	20	1.9%
8	Ukraine	13	1.2%
9	Australia	12	1.1%
10	Korea, Republic of	7	0.7%
11	Singapore	7	0.7%
12	Canada	6	0.6%
13	Latvia	5	0.5%
14	Netherlands	5	0.5%
15	Mongolia	4	0.4%
16	Hong Kong	4	0.4%
17	Argentina	4	0.4%
18	Cyprus	4	0.4%
19	Egypt	3	0.3%
20	Ireland	3	0.3%
21	Israel	3	0.3%
22	Bangladesh	2	0.2%
23	Brazil	2	0.2%
24	Mexico	2	0.2%
25	Philippines	2	0.2%
26	South Africa	2	0.2%
27	Namibia	2	0.2%
28	United Kingdom	2	0.2%
29	Nepal	1	0.1%
30	Sweden	1	0.1%
31	United Arab Emirates	1	0.1%
32	Turkey	1	0.1%
33	Poland	1	0.1%
34	Romania	1	0.1%
35	Russia	1	0.1%
36	Morocco	1	0.1%
37	Austria	1	0.1%
38	Lithuania	1	0.1%